Here are the answers to the practice problems! Look back at the tutorials to see how to get them for each type of problem.

1. 4.0 x 10^{-10}

2. 1.1 x 10^{-10}

3. 4.1 x 10^{-12}

4. 3.4 x 10^{-10}

5. 1.2 x 10^{-3}

6. 1.7 x 10^{-20}

7. 7.5 x 10^{-16} M [Ag^{+}]

8. 3.3 x 10^{-13} M [CO_{3}^{2-}]

9. 7.4 x 10^{-19} M [Fe^{2+}]

10. 9.9 x 10^{-11} M

11. 1.0 x 10^{-6} M

12. 1.2 x 10^{-3} M

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